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Finding the Fourth Proportional to 179,437.85, 247,623.02 and 98,863.51

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Solution

The fourth proportional to 179,437.85, 247,623.02 and 98,863.51 is: 136,430.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,437.85 : 247,623.02 = 98,863.51 : x
  2. Step 2: Convert to fraction form
    179,437.85/247,623.02 = 98,863.51/x
  3. Step 3: Cross multiply
    179,437.85x = 247,623.02 × 98,863.51
  4. Step 4: Simplify right side
    179,437.85x = 24,480,880,171.36
  5. Step 5: Solve for x
    x = 24,480,880,171.36/179,437.85
  6. Step 6: Final answer
    x = 136,430.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.